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/* Copyright (C) 2013 Artyom V. Poptsov <poptsov.artyom@gmail.com>
 *
 * This file is part of Guile-SSH.
 *
 * Guile-SSH is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * Guile-SSH is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Guile-SSH.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __SESSION_TYPE_H__
#define __SESSION_TYPE_H__

#include <libguile.h>
#include <libssh/libssh.h>
#include "channel-type.h"

extern scm_t_bits session_tag;


struct session_data {
  ssh_session ssh_session;
  SCM callbacks;
};

/* Make sure that the session pointed by session data structure pointer SD is
   connected. */
#define GSSH_VALIDATE_CONNECTED_SESSION(sd, scm, pos) \
  do { \
    SCM_ASSERT_TYPE (ssh_is_connected (sd->ssh_session), scm, \
                     pos, FUNC_NAME, "connected session"); \
  } while (0)


extern SCM guile_ssh_make_session (void);
extern SCM guile_ssh_is_session_p (SCM arg1);

extern void init_session_type (void);


/* Helper procedures */
extern struct session_data*_scm_to_session_data (SCM x);

#endif  /* ifndef __SESSION_TYPE_H__ */